Mdoe JEG. Preparation of tetramethylguanidine-functionalized mesoporous silica as a catalyst for the epoxidation of electron deficient alkenes. Tanz. J. Sci. [Internet]. 2021 Apr. 17 [cited 2025 May 6];37(1):156-6. Available from: http://www.tjs.udsm.ac.tz/index.php/tjs/article/view/421